code: def get_standalone_session(self):
      return self._session
  
file_path: FATE/python/fate/arch/computing/backends/standalone/_csession.py
imports: import logging
  from typing import Optional
  from fate.arch.computing.api import KVTableContext, generate_computing_uuid
  from fate.arch.unify import URI, uuid
  from ._standalone import Session
  from ._table import Table
label_desc: Use image node_id 2 for calling the CSession obj's underlying member method code with example usage: obj.get_standalone_session() and returns: self